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There has been a further update from WHO (4 April 2017) on the risk of yellow fever transmission in Brazil. As a result, vaccination recommendations for travellers have been extended to include the entire State of Rio de Janeiro, including the city of Rio itself, and the entire State of São Paulo, except the urban areas of São Paulo city. These changes have been incorporated into the Brazil country page on TRAVAX.
The determination of new areas considered to be at risk for yellow fever transmission is an ongoing process and updates will be provided regularly.
Yellow fever vaccine is recommended for travellers at risk.
A traveller's risk of yellow fever is determined by their general risk assessment e.g. country visited, length of stay, city or rural, activities etc. Travellers with contraindications for yellow fever vaccine (e.g. children < 9 months, pregnant or breastfeeding women, people with severe egg antigen hypersensitivity, severe immunodeficiency) or over 60 years of age are advised to seek expert assessment to help weigh up risks and benefits of vaccination.
Mosquito bite avoidance rules should be adhered to - the mosquito that spreads yellow fever bites predominantly during the day.